The Periodic Table of Elements
53
I
Iodine
126.90447(3) amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | halogen | 4.94 kg/L | 133 pm | -295 | 1008 kJ/mol | 387 °K | 457 °K | 1811 |
